Description
The STOD32A is a triple DC-DC converter for AMOLED display panels. It integrates 300 mA step-up and inverting DC-DC converters plus auxiliary step-up converter. This device is particularly suitable for battery-operated products, in which the major concern is overall system efficiency. Output voltages can be programmed by a dedicated pin, which implements SWIRE protocol. Soft-start with controlled inrush current limit, thermal shutdown and short-circuit protection are integrated functions of the device.
FEATUREs
• Operating input voltage range from 2.5 V to
4.5 V
• 300 mA output current for step-up and
inverting converters (VIN > 2.9 V)
• 55 mA output current for an auxiliary step-up
converter (VIN > 2.9 V)
• 4.6 V positive step-up converter
• Programmable negative voltage from - 0.8 V
to - 4.8 V default -4.0 V
• Auxiliary step-up converter positive voltage
programmable step from 5.8 V to 7.9 V
default 7.6 V
• Soft-start with inrush current protection
• Overtemperature protection
• True-shutdown mode
• Short-circuit protection
• Package QFN16 (3.0x3.0 mm), 0.5 mm pitch
APPLICATIONs
• Active matrix OLED power supply in portable
devices
• Cellular phones, multimedia players,
camcorders and digital still cameras